The 2026 Men's French Open, set to conclude on June 7th, represents one of tennis's most prestigious Grand Slam tournaments held annually at Roland Garros in Paris. Andrey Rublev, the Russian ATP professional, competes in this open prediction market where traders assess his probability of winning the title. The current YES odds of 1% reflect market sentiment that Rublev faces substantial competition from higher-ranked players and tournament favorites. This extremely low price suggests the market views him as a significant underdog, though he remains a capable ATP competitor with multiple tour titles to his name. The odds trajectory for Rublev has typically remained in the sub-2% range throughout the pre-tournament period, with occasional fluctuations tied to recent tour results and fitness reports. The market becomes more liquid as the tournament approaches, with trading volume and participant interest increasing closer to the June event. Traders can access real-time order books and execute positions as market conditions shift based on draw announcements and pre-tournament form. Resolution occurs definitively when the 2026 French Open concludes, with the market settling YES if Rublev claims the men's singles championship, or NO if any other player wins the title. This market exemplifies how prediction markets quantify athlete performance expectations across professional tennis.